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The purpose of this study is to determine, in Spanish workers, the influence of different factors (personal, psychological, work related and clinical) on the risk of being on sick leave during the 18 months after baseline assessment, and on the duration of that sick leave.

Workers from companies and workers' health care organizations who go for their periodic medical checkup.

Behavioral: Set of questionnaires (respondent)

A set of questionnaires to determine risk factors for sick leave due to low back pain.

Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

Ages Eligible for Study:

18 Years to 65 Years (Adult)

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

Yes

Sampling Method:

Non-Probability Sample

Study Population

Workers from companies and workers' health care organizations who are currently active.

Criteria

Inclusion Criteria:

Subjects who get their checkups at participating health services

With a labor contract that won't make it likely that they stop work before the next 18 months, for causes other than their health

Who sign the informed consent form

Exclusion Criteria:

Don't sign the informed consent form

Inability to fill our the questionnaires

Bedridden

Rheumatologic inflammatory disease, cancer or fibromyalgia

Suspicion of fibromyalgia

Red flags for systemic disease

Criteria for surgery

Criteria for urgent referral to surgery

Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00667316